Use PHP attribute for MigrateProcess plugin.

Author: chesn0k

templates/Plugin/Migrate/_process/process.twig

@@ -6,6 +6,7 @@ declare(strict_types=1);
 namespace Drupal\{{ machine_name }}\Plugin\migrate\process;
 
 {% apply sort_namespaces %}
+use Drupal\migrate\Attribute\MigrateProcess;
 use Drupal\migrate\MigrateExecutableInterface;
 use Drupal\migrate\ProcessPluginBase;
 use Drupal\migrate\Row;
@@ -27,9 +28,8 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  *     plugin: {{ plugin_id }}
  *     source: foo
  * @endcode
- *
- * @MigrateProcessPlugin(id = "{{ plugin_id }}")
  */
+#[MigrateProcess('{{ plugin_id }}')]
 final class {{ class }} extends ProcessPluginBase {% if services %}implements ContainerFactoryPluginInterface {% endif %}{
 
 {% if services %}

tests/functional/Generator/Plugin/Migrate/_process/_n_deps/src/Plugin/migrate/process/Qux.php

@@ -4,6 +4,7 @@
 
 namespace Drupal\example\Plugin\migrate\process;
 
+use Drupal\migrate\Attribute\MigrateProcess;
 use Drupal\migrate\MigrateExecutableInterface;
 use Drupal\migrate\ProcessPluginBase;
 use Drupal\migrate\Row;
@@ -19,9 +20,8 @@
  *     plugin: example_qux
  *     source: foo
  * @endcode
- *
- * @MigrateProcessPlugin(id = "example_qux")
  */
+#[MigrateProcess('example_qux')]
 final class Qux extends ProcessPluginBase {
 
   /**

tests/functional/Generator/Plugin/Migrate/_process/_w_deps/src/Plugin/migrate/process/Qux.php

@@ -6,6 +6,7 @@
 
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\migrate\Attribute\MigrateProcess;
 use Drupal\migrate\MigrateExecutableInterface;
 use Drupal\migrate\ProcessPluginBase;
 use Drupal\migrate\Row;
@@ -22,9 +23,8 @@
  *     plugin: example_qux
  *     source: foo
  * @endcode
- *
- * @MigrateProcessPlugin(id = "example_qux")
  */
+#[MigrateProcess('example_qux')]
 final class Qux extends ProcessPluginBase implements ContainerFactoryPluginInterface {
 
   /**